| abstract |
(+) {7R-[[(4-Fluorophenyl) sulfonyl] (methyl) amino] -6,7,8,9-tetrahydropyrido [1,2-a] indol-10-yl} acetic acid compound and its Pharmaceutically acceptable salts are antagonists of the PGD 2 receptor, CRTH2, and are thus useful for the treatment and / or prevention of CRTH2-mediated diseases such as asthma. |